When that occurs, throttle response suffers and turbo spooling times increase. The turbocharger can sometimes be cleaned by running the truck hard, otherwise, the turbocharger needs to be removed and cleaned thoroughly. Early 6. The collection of oil in the turbocharger can result in the oil cooking. This has been the root cause of many all-out turbocharger failures in the 6. Want recommendations on an aftermarket turbocharger upgrade for your 6. Stiction can cause a number of problems including hard starts, and the truck running rough when cold.
The HEUI injectors are very sensitive to poor fuel and oil quality. The high pressure oil pump pressurizes the engine oil.
Then, the injectors use this oil to compress fuel. These high pressure oil pumps are known for complete failures and leaking seals on the 6. You may need to replace it too. The factory Degas bottle in 6. They crack at the seams and it can result in loss of coolant! Invest in a solid aluminum Degas bottle like the Mishimoto Degas Bottle pictured below. Make sure you get a new factory cap too! What can you do to improve longevity on your 6.
For starters, consider not upgrading to performance parts unless it is a product that provides a solution to one of the above problems. Replace problem parts early, before you start having issues! Be religious when it comes to your trucks maintenance. Change the oil every 5, miles. Use high quality oil and consider using additives. Make sure you buy diesel from quality gas stations that have quality fuel. You can often identify the start of a problem early. For more information on the Ford SuperDuty Diesel trucks with the 6.
Want to learn more about the latest insights in the diesel industry? Signup for our newsletter and stay up to date on the top trending topics! Founder of Diesel Resource and a complete diesel head. Has a little bit of problem buying too many trucks. Learn more about him by checking out his truck. Help Us Get to 1,! Written by Kamil September 7th, Most Common 6. Mishimoto 6. Mishimoto Polished Degas Bottle 6. The International variation of the 6.
The 6. Despite its flaws, the 6. The engine is praised for its quick spooling variable geometry turbocharger VGT , a characteristic that the industry had yet to see in a diesel engine. While torque does not peak on the 6. Its location makes it a fairly laborious endeavor to address failures—and unfortunately failure ran rampant on the 6.
While a host of issues plague the 6. When the engine is cold and the oil is thick, adequate ICP can be built and the engine will usually fire right off. The injectors used in the 6. Similar to the 7. The oil—pressurized as high as 3, psi—enters the injector through the spool valve a poppet valve performs this function in the 7.
With the higher 3,psi injection control pressure seen in the 6. The additional pressure over what the 7. Assuming the job of the IDM on the 7. However, unlike the 7. Dying batteries can lower the voltage output of the FICM to a point where engine performance suffers tremendously and the driver side of the module is permanently damaged.
Located at the front of the lifter valley and integrated into the block itself, the 6. The tiny coolant passageways within the stacked-plate heat exchanger are prone to plugging up with casting sand, suspended solids in the coolant itself and other debris. Compounding the problem, a plugged oil cooler also starves the EGR cooler of the vital coolant it needs to effectively lower the extreme exhaust gas temperatures it sees.
If gone unnoticed, the EGR cooler will eventually overheat and burst. More than 90 percent of all the 6. Shockingly, because of cooling system contaminants the average 6. To cleanse the coolant circuit of any oil cooler-clogging debris, this is one of the best bolt-ons you can add to your 6.
As is common on V8 diesels, exhaust gasses are routed into the EGR cooler from the passenger side turbo up-pipe. Inside the cooler, exhaust flows through metal tubes surround by engine coolant and within a span of less than 12 inches exhaust gas temperatures can drop as much as degrees F.
Common issues with the 6. Lack of coolant flow through the EGR cooler can cause it to rupture and the EGR valve is prone to sticking thanks to the same soot and carbon accumulation that hampers the performance of the cooler. Vanes located within the turbine housing are electronically controlled and hydraulically actuated to alter exhaust flow across the turbine wheel for near-instantaneous response.
At low rpm the vanes remain near-closed, increasing drive pressure to aid spool up. At high rpm the vanes open completely, providing for full exhaust flow.
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